ALL meanings of diphenhydramine
di·phen·hy·dra·mine
D d - noun diphenhydramine An antihistamine compound used for the symptomatic relief of allergies. 1
- noun diphenhydramine a white, crystalline, antihistaminic compound, C 17 H 21 NO, used orally, topically, and parenterally, especially for allergies. 1
- noun diphenhydramine An antihistamine and sedative drug that blocks the effect of histamine at H1 receptor sites, reducing smooth muscle contraction. 0
- noun diphenhydramine a compound used in medicines, in the form of diphenhydramine hydrochloride, as an antihistamine, sedative, and anticholinergic 0